<template lang="html">
  <div class="cartcontrol">
    <transition name="move">
    <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="decreaseCart">
      <span class="inner icon-remove_circle_outline"></span>
    </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script>
import Vue from 'vue';
import {eventHub} from 'common/js/eventHub';
export default {
  name: 'cartcontrol',
  props: {
    food: {
      type: Object
    }
  },
  methods: {
    addCart(event) {
      if(!event._constructed) {
        return;
      }
      if(!this.food.count) {
        Vue.set(this.food, 'count', 1);
      } else {
        this.food.count++;
      }
      eventHub.$emit('cart.add', event.target);
    },

    decreaseCart(event) {
      if(!event._constructed) {
        return;
      }
      if(this.food.count) {
        this.food.count--;
      }
    }
  }
}
</script>

<style lang="scss">
  @import "../../common/scss/default";
  @import "../../common/scss/mixin";
  .cartcontrol {
    font-size: 0;
    .cart-decrease {
      display: inline-block;
      padding: 6px;
      transition: all .4s linear;
      opacity: 1;
      transform: translate3d(0, 0, 0);
      .inner {
        display: inline-block;
        line-height: 24px;
        font-size: 24px;
        color: $blue;
        transition: all 0.4s linear;
        transform: rotate(0);
      }
      &.move-enter,
      &.move-leave-active {
        opacity: 0;
        transform: translate3d(24px, 0, 0);
        .inner {
          transform: rotate(180deg);
        }
      }
    }
    .cart-count {
      display: inline-block;
      vertical-align: top;
      width: 12px;
      padding-top: 6px;
      line-height: 24px;
      text-align: center;
      font-size: 10px;
      color: $grey2;
    }
    .cart-add {
      display: inline-block;
      padding: 6px;
      line-height: 24px;
      font-size: 24px;
      color: $blue;
    }
  }
</style>
